Chemistry Which one of the following has greatest mass ? Electron Hydrogen nucleus Proton Neutron Electron Hydrogen nucleus Proton Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas All of these Forest fire Automobile exhaust Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate Electrolysis of water Decomposition of manganese dioxide Fractional distillation of liquid air Decomposition of potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Nylon Rubber Artificial silk Terylene Nylon Rubber Artificial silk Terylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Malathion is a/an Fumigant Pesticide Preservative Insecticide Fumigant Pesticide Preservative Insecticide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Intermittent sand filter Contact bed Trickling filter Percolating filter Intermittent sand filter Contact bed Trickling filter Percolating filter ANSWER DOWNLOAD EXAMIANS APP
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